A concealable feeding tube assembly includes a tube and a removable member. The tube has an insertion portion and a feeding portion respectively at two ends thereof. The feeding portion is configured for insertion into a nasal cavity of a patient and intercommunicates with the insertion portion. The removable member is detachably attached to the tube and is configured to seal the feeding portion. The removable member includes an abutment portion extending beyond a lateral face of the removable member.